[INFO] cloning repository https://github.com/rongfengliang/rust-mod-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rongfengliang/rust-mod-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4ae69f044a445c3822b510f7baf49055f4914db
[INFO] checking rongfengliang/rust-mod-workspace against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Frust-mod-workspace" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rongfengliang/rust-mod-workspace on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rongfengliang/rust-mod-workspace
[INFO] finished tweaking git repo https://github.com/rongfengliang/rust-mod-workspace
[INFO] tweaked toml for git repo https://github.com/rongfengliang/rust-mod-workspace written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rongfengliang/rust-mod-workspace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.93
[INFO] [stderr]   Downloaded serde_derive v1.0.93
[INFO] [stderr]   Downloaded syn v0.15.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6167048843b0672c20a4805a62ba78a3d1d84fe789ad5ae90ec5cf661308b02
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d6167048843b0672c20a4805a62ba78a3d1d84fe789ad5ae90ec5cf661308b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6167048843b0672c20a4805a62ba78a3d1d84fe789ad5ae90ec5cf661308b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6167048843b0672c20a4805a62ba78a3d1d84fe789ad5ae90ec5cf661308b02", kill_on_drop: false }`
[INFO] [stdout] d6167048843b0672c20a4805a62ba78a3d1d84fe789ad5ae90ec5cf661308b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb99ee977c6f6c440b14b95716d7a996ad3dc8d82cdff5005a7cedd5fa2aeaa2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb99ee977c6f6c440b14b95716d7a996ad3dc8d82cdff5005a7cedd5fa2aeaa2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   libc v0.2.58: default, std
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking users v0.1.0 (/tmp/fixit/lib/users)
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking libmods v0.1.0 (/tmp/fixit/lib/libmods)
[INFO] [stderr]     Checking moddemo v0.1.0 (/tmp/fixit/lib/moddemo)
[INFO] [stderr]     Checking macros_lib v0.1.0 (/tmp/fixit/learning/macros_lib)
[INFO] [stderr]    Migrating lib/moddemo/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating lib/libmods/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating lib/users/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating learning/macros_lib/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking app-modmetrics v0.1.0 (/tmp/fixit/lib/modmetrics)
[INFO] [stderr]    Migrating lib/modmetrics/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking traits v0.1.0 (/tmp/fixit/learning/traits)
[INFO] [stderr]     Checking function v0.1.0 (/tmp/fixit/learning/function)
[INFO] [stderr]    Migrating learning/function/src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating learning/traits/src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Checking lifetime v0.1.0 (/tmp/fixit/learning/lifetime)
[INFO] [stderr]    Migrating learning/lifetime/src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Checking closure v0.1.0 (/tmp/fixit/learning/closure)
[INFO] [stderr]     Checking macros v0.1.0 (/tmp/fixit/learning/macros)
[INFO] [stderr]    Migrating learning/closure/src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating learning/macros/src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Checking matchs v0.1.0 (/tmp/fixit/learning/matchs)
[INFO] [stderr]    Migrating learning/matchs/src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: constant is never used: `X`
[INFO] [stdout]   --> lib/users/src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const X: i32 = 10;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking arrays v0.1.0 (/tmp/fixit/learning/arrays)
[INFO] [stderr]    Migrating learning/arrays/src/main.rs from 2018 edition to 2021
[INFO] [stderr]     Checking rc-demo v0.1.0 (/tmp/fixit/learning/rc-demo)
[INFO] [stderr]    Migrating learning/rc-demo/src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: value assigned to `myfn` is never read
[INFO] [stdout]   --> learning/function/src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut myfn:fn(first:i32,second: i32)->i32= add;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed learning/traits/src/app/defaultlogin.rs (2 fixes)
[INFO] [stderr]        Fixed learning/lifetime/src/rong.rs (1 fix)
[INFO] [stderr]        Fixed learning/lifetime/src/main.rs (1 fix)
[INFO] [stderr]        Fixed learning/closure/src/main.rs (1 fix)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]  --> learning/macros/src/macros.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 |         println!("{}","this is a demo");
[INFO] [stdout]   |                                        ^
[INFO] [stdout]   |
[INFO] [stdout]  ::: learning/macros/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     dalong_demo!()
[INFO] [stdout]   |     -------------- in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]   = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]   = note: to ignore the value produced by the macro, add a semicolon after the invocation of `dalong_demo`
[INFO] [stdout]   = note: this warning originates in the macro `dalong_demo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `printname`
[INFO] [stdout]  --> learning/lifetime/src/rong.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |    pub fn printname(&self) {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `demo`
[INFO] [stdout]   --> learning/lifetime/src/rong.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |    pub fn demo(){
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_adder`
[INFO] [stdout]  --> learning/closure/src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn make_adder(x:i32) -> Box<dyn Fn(i32) -> i32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]        Fixed learning/matchs/src/main.rs (1 fix)
[INFO] [stderr]     Checking usersmain v0.1.0 (/tmp/fixit/lib/usersmain)
[INFO] [stderr]    Migrating lib/usersmain/src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]  --> learning/macros/src/macros.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 |         println!("{}","this is a demo");
[INFO] [stdout]   |                                        ^
[INFO] [stdout]   |
[INFO] [stdout]  ::: learning/macros/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     dalong_demo!()
[INFO] [stdout]   |     -------------- in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]   = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]   = note: to ignore the value produced by the macro, add a semicolon after the invocation of `dalong_demo`
[INFO] [stdout]   = note: this warning originates in the macro `dalong_demo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stdout] warning: constant is never used: `X`
[INFO] [stdout]   --> lib/users/src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const X: i32 = 10;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stdout] warning: value assigned to `myfn` is never read
[INFO] [stdout]   --> learning/function/src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut myfn:fn(first:i32,second: i32)->i32= add;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_adder`
[INFO] [stdout]  --> learning/closure/src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn make_adder(x:i32) -> Box<dyn Fn(i32) -> i32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `printname`
[INFO] [stdout]  --> learning/lifetime/src/rong.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |    pub fn printname(&self) {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `demo`
[INFO] [stdout]   --> learning/lifetime/src/rong.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |    pub fn demo(){
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed lib/usersmain/src/main.rs (2 fixes)
[INFO] [stderr]     Checking cliapp v0.1.0 (/tmp/fixit/learning/cliapp)
[INFO] [stderr]    Migrating learning/cliapp/src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking mod-app v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn demo(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn demo(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.95s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking matchs v0.1.0 (/tmp/fixit/learning/matchs)
[INFO] [stderr]     Checking lifetime v0.1.0 (/tmp/fixit/learning/lifetime)
[INFO] [stderr]     Checking closure v0.1.0 (/tmp/fixit/learning/closure)
[INFO] [stdout] warning: constant is never used: `X`
[INFO] [stdout]   --> lib/users/src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const X: i32 = 10;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `X`
[INFO] [stdout]   --> lib/users/src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const X: i32 = 10;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_adder`
[INFO] [stdout]  --> learning/closure/src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn make_adder(x:i32) -> Box<dyn Fn(i32) -> i32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `myfn` is never read
[INFO] [stdout]   --> learning/function/src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut myfn:fn(first:i32,second: i32)->i32= add;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `myfn` is never read
[INFO] [stdout]   --> learning/function/src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut myfn:fn(first:i32,second: i32)->i32= add;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]  --> learning/macros/src/macros.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 |         println!("{}","this is a demo");
[INFO] [stdout]   |                                        ^
[INFO] [stdout]   |
[INFO] [stdout]  ::: learning/macros/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     dalong_demo!()
[INFO] [stdout]   |     -------------- in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]   = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]   = note: to ignore the value produced by the macro, add a semicolon after the invocation of `dalong_demo`
[INFO] [stdout]   = note: this warning originates in the macro `dalong_demo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `printname`
[INFO] [stdout]  --> learning/lifetime/src/rong.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |    pub fn printname(&self) {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `demo`
[INFO] [stdout]   --> learning/lifetime/src/rong.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |    pub fn demo(){
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]  --> learning/macros/src/macros.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 |         println!("{}","this is a demo");
[INFO] [stdout]   |                                        ^
[INFO] [stdout]   |
[INFO] [stdout]  ::: learning/macros/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     dalong_demo!()
[INFO] [stdout]   |     -------------- in this macro invocation
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]   = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]   = note: to ignore the value produced by the macro, add a semicolon after the invocation of `dalong_demo`
[INFO] [stdout]   = note: this warning originates in the macro `dalong_demo` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking traits v0.1.0 (/tmp/fixit/learning/traits)
[INFO] [stderr]     Checking usersmain v0.1.0 (/tmp/fixit/lib/usersmain)
[INFO] [stderr]     Checking mod-app v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `make_adder`
[INFO] [stdout]  --> learning/closure/src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn make_adder(x:i32) -> Box<dyn Fn(i32) -> i32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `printname`
[INFO] [stdout]  --> learning/lifetime/src/rong.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |    pub fn printname(&self) {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `demo`
[INFO] [stdout]   --> learning/lifetime/src/rong.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |    pub fn demo(){
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn demo(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `demo`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn demo(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cliapp v0.1.0 (/tmp/fixit/learning/cliapp)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "fb99ee977c6f6c440b14b95716d7a996ad3dc8d82cdff5005a7cedd5fa2aeaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb99ee977c6f6c440b14b95716d7a996ad3dc8d82cdff5005a7cedd5fa2aeaa2", kill_on_drop: false }`
[INFO] [stdout] fb99ee977c6f6c440b14b95716d7a996ad3dc8d82cdff5005a7cedd5fa2aeaa2